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Re: WIP checksums patch

From: Jeff Davis <pgsql(at)j-davis(dot)com>
To: Bruce Momjian <bruce(at)momjian(dot)us>
Cc: pgsql-hackers(at)postgresql(dot)org, Simon Riggs <simon(at)2ndQuadrant(dot)com>
Subject: Re: WIP checksums patch
Date: 2012-10-01 17:04:09
Message-ID: 1349111049.15580.49.camel@jdavis (view raw, whole thread or download thread mbox)
Lists: pgsql-hackers
On Mon, 2012-10-01 at 12:35 -0400, Bruce Momjian wrote:
> The heap/index files are copied unmodified from the old cluster, so
> there are no checksums on the pages.

That's fine though, the patch still reads the old format the same way,
and the pages are treated as though they have no checksum. How is that a
reason for defaulting the GUC to off?

I'm missing something here. Are we worried about users who turn the GUC
on and then expect all of their old data pages to magically be

	Jeff Davis

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